64208280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{827}}^1$

素因数の和:1488

約数の個数: 64

約数和(自身を含む): 193155840

約数和(自身を除く): 128947560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 647, 827, 1294, 1654, 1941, 2481, 2588, 3235, 3308, 3882, 4135, 4962, 5176, 6470, 6616, 7764, 8270, 9705, 9924, 12405, 12940, 15528, 16540, 19410, 19848, 24810, 25880, 33080, 38820, 49620, 77640, 99240, 535069, 1070138, 1605207, 2140276, 2675345, 3210414, 4280552, 5350690, 6420828, 8026035, 10701380, 12841656, 16052070, 21402760, 32104140, 64208280]

約数ペア:

[(1, 64208280), (2, 32104140), (3, 21402760), (4, 16052070), (5, 12841656), (6, 10701380), (8, 8026035), (10, 6420828), (12, 5350690), (15, 4280552), (20, 3210414), (24, 2675345), (30, 2140276), (40, 1605207), (60, 1070138), (120, 535069), (647, 99240), (827, 77640), (1294, 49620), (1654, 38820), (1941, 33080), (2481, 25880), (2588, 24810), (3235, 19848), (3308, 19410), (3882, 16540), (4135, 15528), (4962, 12940), (5176, 12405), (6470, 9924), (6616, 9705), (7764, 8270)]